Related Experiment Video
Updated: Aug 10, 2026
17:14
Chromosome Replicating Timing Combined with Fluorescent In situ Hybridization
Published on: December 10, 2012
Chromosome band 6q deletion pattern in malignant lymphomas
M Taborelli1, M G Tibiletti, V Martin
1Department of Surgical Pathology, Anatomia Patologica, Ospedale di Circolo-Università dell'Insubria, Viale Borri 57, 21100 Varese, Italy.
Cancer Genetics and Cytogenetics
|March 11, 2006
Summary
Deletions in chromosome arm 6q are common in lymphomas. Specific 6q deletion patterns may indicate different lymphoma types and clinical transformation, highlighting potential tumor suppressor gene roles.
Area of Science:
- Oncology
- Cytogenetics
- Molecular Biology
Background:
- Chromosome arm 6q deletions are frequent in cancers and lymphoproliferative disorders.
- These alterations are observed in various leukemias and lymphomas.
Purpose of the Study:
- To characterize 6q deletion patterns in 35 malignant lymphomas.
- To correlate deletion patterns with different histological types of lymphoma.
Main Methods:
- Conventional cytogenetics
- Molecular cytogenetic approaches
- Interphase Fluorescence In Situ Hybridization (FISH) analysis
Main Results:
- 6q deletions were found in 46% of lymphomas via conventional cytogenetics.
- Interphase FISH revealed allelic loss in 94.2% of cases, with discontinuous deletions.
- Specific 6q regions were deleted in diffuse large B-cell lymphomas but not follicular lymphomas.
Conclusions:
- 6q deletion is a common event across lymphoma types.
- Distinct 6q deletion patterns may characterize specific lymphoma subtypes.
- Certain 6q regions might be involved in the clinical transformation of lymphomas, potentially implicating tumor suppressor genes.
Related Concept Videos
01:17Karyotyping
Describing the number and physical features of chromosomes can reveal abnormalities that underlie genetic diseases. This description is facilitated by special staining techniques that produce a particular banding pattern on each chromosome. State-of-the-art techniques make this approach even more powerful, enabling the detection of individual genes that cause disease.A Simple Chromosome Staining Technique Provides Valuable Scientific InsightSome genetic diseases can be detected by looking at...
01:01Euchromatin
The extent of chromatin compaction can be studied by staining chromatin using specific DNA binding dyes. Under the microscope, the dense-compacted regions take up more dye, appearing darker, while the less-compact areas take up less dye and appear lighter. Based on the compaction level, chromatins are classified into two primary forms – euchromatin and heterochromatin.
Euchromatin is the less dense region of the chromatin and stains lighter. Euchromatin contains histone H3 extensively...
Euchromatin is the less dense region of the chromatin and stains lighter. Euchromatin contains histone H3 extensively...